CPAN RT

i2 Set image number this mask applies to
t0 Type for mask:
0 - negative (exclude region)
1 - positive (include region)
2 - exclude region from all images in the same stack
3 - include region from all images in the same stack
4 - exclude region from all images with the same lens
p"1262 2159 1402 2065 1468 2003" List of node coordinates
Coordinates are in pairs, at least three pairs are required